public class Test {
    public static void main(String[] args) {
        BinarySearchTree binarySearchTree = new BinarySearchTree();
        int[] array = {5,12,3,2,11,15};
        for(int i:array) {
            binarySearchTree.insert(i);
        }

        binarySearchTree.remove(12);

        System.out.println("");
    }
}
